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    <title>WMS GetFeatureInfo (Tile Layer)</title>
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          <h4 id="title">WMS GetFeatureInfo (Tile Layer)</h4>
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<div id="info">&nbsp;</div>

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          <p id="shortdesc">Issuing GetFeatureInfo requests with a WMS tiled source</p>
          <div id="docs"><p>This example shows how to trigger WMS GetFeatureInfo requests on click for a WMS tile layer.  Additionally <code>map.forEachLayerAtPixel</code> is used to change the mouse pointer when hovering a non-transparent pixel on the map.</p>
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          <div id="api-links">Related API documentation: <ul class="inline"><li><a href="../apidoc/ol.Map.html" title="API documentation for ol.Map">ol.Map</a></li>,<li><a href="../apidoc/ol.View.html" title="API documentation for ol.View">ol.View</a></li>,<li><a href="../apidoc/ol.layer.Tile.html" title="API documentation for ol.layer.Tile">ol.layer.Tile</a></li>,<li><a href="../apidoc/ol.source.TileWMS.html" title="API documentation for ol.source.TileWMS">ol.source.TileWMS</a></li></ul></div>
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          <textarea class="hidden" name="title">WMS GetFeatureInfo (Tile Layer)</textarea>
          <textarea class="hidden" name="description">Issuing GetFeatureInfo requests with a WMS tiled source</textarea>
          <textarea class="hidden" name="js">var wmsSource &#x3D; new ol.source.TileWMS({
  url: &#x27;https://ahocevar.com/geoserver/wms&#x27;,
  params: {&#x27;LAYERS&#x27;: &#x27;ne:ne&#x27;, &#x27;TILED&#x27;: true},
  serverType: &#x27;geoserver&#x27;,
  crossOrigin: &#x27;anonymous&#x27;
});

var wmsLayer &#x3D; new ol.layer.Tile({
  source: wmsSource
});

var view &#x3D; new ol.View({
  center: [0, 0],
  zoom: 1
});

var map &#x3D; new ol.Map({
  layers: [wmsLayer],
  target: &#x27;map&#x27;,
  view: view
});

map.on(&#x27;singleclick&#x27;, function(evt) {
  document.getElementById(&#x27;info&#x27;).innerHTML &#x3D; &#x27;&#x27;;
  var viewResolution &#x3D; /** @type {number} */ (view.getResolution());
  var url &#x3D; wmsSource.getGetFeatureInfoUrl(
      evt.coordinate, viewResolution, &#x27;EPSG:3857&#x27;,
      {&#x27;INFO_FORMAT&#x27;: &#x27;text/html&#x27;});
  if (url) {
    document.getElementById(&#x27;info&#x27;).innerHTML &#x3D;
        &#x27;&lt;iframe seamless src&#x3D;&quot;&#x27; + url + &#x27;&quot;&gt;&lt;/iframe&gt;&#x27;;
  }
});

map.on(&#x27;pointermove&#x27;, function(evt) {
  if (evt.dragging) {
    return;
  }
  var pixel &#x3D; map.getEventPixel(evt.originalEvent);
  var hit &#x3D; map.forEachLayerAtPixel(pixel, function() {
    return true;
  });
  map.getTargetElement().style.cursor &#x3D; hit ? &#x27;pointer&#x27; : &#x27;&#x27;;
});
</textarea>
          <textarea class="hidden" name="css"></textarea>
          <textarea class="hidden" name="html">&lt;div id&#x3D;&quot;map&quot; class&#x3D;&quot;map&quot;&gt;&lt;/div&gt;
&lt;div id&#x3D;&quot;info&quot;&gt;&amp;nbsp;&lt;/div&gt;
</textarea>
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        <pre><code id="example-source" class="language-markup">&lt;!DOCTYPE html&gt;
&lt;html&gt;
  &lt;head&gt;
    &lt;title&gt;WMS GetFeatureInfo (Tile Layer)&lt;/title&gt;
    &lt;link rel="stylesheet" href="https://openlayers.org/en/v4.4.2/css/ol.css" type="text/css"&gt;
    &lt;!-- The line below is only needed for old environments like Internet Explorer and Android 4.x --&gt;
    &lt;script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL"&gt;&lt;/script&gt;
    &lt;script src="https://openlayers.org/en/v4.4.2/build/ol.js"&gt;&lt;/script&gt;
  &lt;/head&gt;
  &lt;body&gt;
    &lt;div id&#x3D;&quot;map&quot; class&#x3D;&quot;map&quot;&gt;&lt;/div&gt;
    &lt;div id&#x3D;&quot;info&quot;&gt;&amp;nbsp;&lt;/div&gt;
    &lt;script&gt;
      var wmsSource &#x3D; new ol.source.TileWMS({
        url: &#x27;https://ahocevar.com/geoserver/wms&#x27;,
        params: {&#x27;LAYERS&#x27;: &#x27;ne:ne&#x27;, &#x27;TILED&#x27;: true},
        serverType: &#x27;geoserver&#x27;,
        crossOrigin: &#x27;anonymous&#x27;
      });

      var wmsLayer &#x3D; new ol.layer.Tile({
        source: wmsSource
      });

      var view &#x3D; new ol.View({
        center: [0, 0],
        zoom: 1
      });

      var map &#x3D; new ol.Map({
        layers: [wmsLayer],
        target: &#x27;map&#x27;,
        view: view
      });

      map.on(&#x27;singleclick&#x27;, function(evt) {
        document.getElementById(&#x27;info&#x27;).innerHTML &#x3D; &#x27;&#x27;;
        var viewResolution &#x3D; /** @type {number} */ (view.getResolution());
        var url &#x3D; wmsSource.getGetFeatureInfoUrl(
            evt.coordinate, viewResolution, &#x27;EPSG:3857&#x27;,
            {&#x27;INFO_FORMAT&#x27;: &#x27;text/html&#x27;});
        if (url) {
          document.getElementById(&#x27;info&#x27;).innerHTML &#x3D;
              &#x27;&lt;iframe seamless src&#x3D;&quot;&#x27; + url + &#x27;&quot;&gt;&lt;/iframe&gt;&#x27;;
        }
      });

      map.on(&#x27;pointermove&#x27;, function(evt) {
        if (evt.dragging) {
          return;
        }
        var pixel &#x3D; map.getEventPixel(evt.originalEvent);
        var hit &#x3D; map.forEachLayerAtPixel(pixel, function() {
          return true;
        });
        map.getTargetElement().style.cursor &#x3D; hit ? &#x27;pointer&#x27; : &#x27;&#x27;;
      });
    &lt;/script&gt;
  &lt;/body&gt;
&lt;/html&gt;</code></pre>
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